NFL star Michael Vick blamed family members for taking advantage of his generosity after a police raid found evidence of dog fighting at property he owns in Surry County.

"I'm never at the house," Vick said at a New York news conference Friday to announce his participation in the NFL Quarterback Challenge. "I left the house with my family members and my cousin. They just haven't been doing the right thing."

Authorities found a room resembling one used in dog fighting when they searched the home this week, an investigator on the case said.

Blood covered areas of the room, said Kathy Strouse, of the Virginia Animal Fighting Task Force.

Authorities removed the last of 66 dogs Friday from the home about 10 miles from Smithfield, where Vick's cousin Davon Boddie lives.

Vick owns the 15-acre property. A sheriff's deputy said Thursday that the former Virginia Tech star was not the focus of the probe.

The animals removed include about 54 pit bulls, many of them badly scarred, said Strouse, animal control coordinator for Chesapeake.

The pit bulls likely will be euthanized if a judge rules they should not go back to their owners, she said.

The dogs are conditioned to be too violent with other dogs, making it "completely irresponsible to put them back into the community," she said.

A custody hearing must be held for the dogs within 10 days but one had not been scheduled in court by early Friday afternoon. Ownership of the animals is still in dispute, Strouse said.

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Some of the dogs needed care for wounds and lacked adequate water or shelter, but most were in "fairly good weight," Strouse said.

They are being held at various shelters, she said.

Police also found a cache of suspected dog-fighting items, including "performance- enhancing pharmaceuticals," treadmills to condition the animals and papers that documented involvement in animal fighting, according to the Animal Fighting Task Force.

Boddie gave the Surry County address as his home when he was arrested April 20 in Hampton on suspicion of marijuana possession with the intent to distribute. Police got a search warrant and went through the house Wednesday looking for drugs and drug paraphernalia.

That's when officers found evidence of dog fighting, according to a subsequent search warrant filed in Surry County Circuit Court.

Organized dog fighting is a felony punishable by up to five years in prison and a $2,500 fine.

Vick insisted Friday that he knew nothing of what was happening at the home.

"It's unfortunate I have to take the heat," the Newport News native said. " It's a call for me to really tighten down on who I'm trying to take care of.... Lesson learned for me."

The Associated Press and staff writer Dave Forster contributed to this report.